Direct local solvent probing by transient infrared spectroscopy reveals the mechanism of hydrogen-bond induced nonradiative deactivation
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The hydrogen-bond induced quenching of an excited chromophore is visualised by probing O–H vibrations of the interacting solvent molecules.
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A hydrogen-bond-assisted excited-state nonradiative deactivation pathway often predominates in dyes with an intramolecular charge transfer character.
“A hydrogen-bond-assisted excited-state nonradiative deactivation pathway often predominates in dyes with an ICT character.77−79”
From The Pursuit of Shortwave Infrared-Emitting Nanoparticles with Bright Fluorescence through Molecular Design and Excited-State Engineering of Molecular Aggregates (2022) · cites this paper as [77]
The Introduction and Discussion (page numbers unavailable) describe hydrogen-bond-induced nonradiative deactivation in dyes with substantial excited-state charge-transfer character. They specify H-bond-accepting sites and protic solvents, however, and do not establish that this pathway often predominates across dyes with ICT character. (LLM, conf=0.86)
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References 83 · Cited by 82
Research works printed but not linked: 2
- Hammes-Schiffer S. J. Am. Chem. Soc. 2015 137 8860 8871 26110700 PMC4601483
- Blasiak B. Ritchie A. W. Webb L. J. Cho M. Phys. Chem. Chem. Phys. 2016 18 18094 18111 27326899
- Authors
- Dereka, B., & Vauthey, E.
- Affiliations
- University of Geneva (CH)
- Corresponding author
- Vauthey, Eric
- Venue
- Chemical Science
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2017
- Volume
- 8
- Issue
- 7
- Pages
- 5057-5066
- ISSN
- 2041-6520 (ISSN-L)
- 2041-6539
- PMC
- PMC5613230
- OpenAlex
- W2616042703
- Cited by
- 82
- References
- 83
- Citations by year
- 2026: 6 · 2025: 10 · 2024: 10 · 2023: 7 · 2022: 9 · 2021: 8 · 2020: 11 · 2019: 7 · 2018: 8 · 2017: 6
- FWCI
- 6.44
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- cc-by
- Locations
- Chemical Science (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Archive ouverte UNIGE (University of Geneva) (publishedVersion, other-oa)
- Archive ouverte UNIGE (University of Geneva) (submittedVersion, cc-by)
- Funders
- Fonds National Suisse de la Recherche Scientifique (200020-165890)
- University of Geneva
- Topics
- Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Photochemistry and Electron Transfer Studies
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Spectroscopy and Quantum Chemical Studies
- Physical Sciences › Materials Science › Materials Chemistry › Luminescence and Fluorescent Materials
- Keywords
- hydrogen bonding, solvent effects, internal conversion, excited-state relaxation, transient infrared spectroscopy
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